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KMID : 0613320070130010022
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Journal of the Korean Bone and Joint Tumor Soceity
2007 Volume.13 No. 1 p.22 ~ p.30
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Cystic Fibrous Dysplasia in the Kong Bone
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Park Won-Jong
Kang Yong-Koo
Rhee Seung-Koo
Chung Yang-Guk
Choi Kwang-Cheon
Lee An-Hi
Park Jung-Mi
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Abstract
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Purpose : We describe clinical, radiographic, MRI and pathologic findings as well as final outcome after simple curettage and bone graft of cystic fibrous dysplasia (FD) in the long bone, which has been rarely documented in the literature.
Materials & Methods : Clinical records, radiographs, MRI and histologic slides of 11 patients with cystic FD in the long bone were retrospectively analyzed.
Results : Six patients complained pain for several months, 4 patients presented pain after trivial injury event, and 1 patient suffered pathologic fracture. The mode of involvement was monostotic in 10 patients and polyostotic in l patient. The femur was affected in 7 patients, the humerus in 3, and the radius in 1. Radiography showed prominent, expansive lysis associated with ground-glass density of FD. MRI revealed 2 different signals of FD and cyst. Microscopic examination revealed classic findings of FD and non-specific cystic degeneration. The final outcome was satisfactory in every patient. Local recurrence was not observed.
Conclusion : Cystic FD in the long bone seems not as rare as the scarcity of reported cases would indicate. MRI features provide a basis for differential diagnosis between benign cystic change and malignant transformation. Cystic FD would be an indication for surgery and simple curettage with allo-chip-bone graft is effective.
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KEYWORD
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Cystic fibrous dysplasia, Long bone, Simple curettage and allograft
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